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LMS-D4
LMS-D4 user manual
Page 5
Introduction
The LMS-D4 is a compact and powerful DSP based audio-processing unit designed for use with
particular Turbosound loudspeaker systems and associated bass enclosures, combining the
functions of multiple conventional products in a compact 1U high 19” rack unit. To achieve this the
LMS-D4 has 2 inputs and 4 outputs, which are configured by different system presets to allow two
basic modes: stereo 2 way and mono 3 way. The unit is designed to provide specific equalisation
and crossover points aimed at optimising the performance of these Turbosound loudspeaker
systems. In addition, limiters, delays (up to the equivalent of 14 metres), gain, polarity, and bass
trim controls are accessible to the user in order to match specific operation environments. The
LMS-D4 is designed for quick setup and adjustment via easy-to-use front panel controls.
Features
• The LMS-D4 provides ex
exex
exceptional audio quality
ceptional audio qualityceptional audio quality
ceptional audio quality with carefully optimised processing and high
performance converters for a full >108dB dynamic range, high sampling rate and minimal
filtering.
Audio-grade capacitors are used in the analogue signal path.
• Bass boost filter
Bass boost filterBass boost filter
Bass boost filter, allowing an easy adjustment of the response to match variations in acoustic
environment such as half space operation (for floor monitor use), coupling of cabinets in
arrays, or room resonances.
• Front panel rotary encoder
Front panel rotary encoderFront panel rotary encoder
Front panel rotary encoder providing a familiar and easy to use control format with all filter
information displayed simultaneously on a backlit LCD display.
• Delay of up to 42mS
Delay of up to 42mSDelay of up to 42mS
Delay of up to 42mS can be set for each output (mono) or each pair of outputs (stereo).